Table 26.7 lists the summary statistics represented in each box-and-whiskers plot.
Table 26.7: Summary Statistics Represented by Box Plots
|
Group Summary Statistic |
Feature of Box-and-Whiskers Plot |
|---|---|
|
maximum |
endpoint of upper whisker |
|
third quartile (75th percentile) |
upper edge of box |
|
median (50th percentile) |
line inside box |
|
mean |
symbol marker |
|
first quartile (25th percentile) |
lower edge of box |
|
minimum |
endpoint of lower whisker |
Note that you can request different box plot styles, as discussed in the section Styles of Box Plots, and as illustrated in Example 26.2.